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Home arrow Health arrow Best practices for environmental health : environmental pollution, protection, quality and sustainability
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Heating, Ventilation, Air Conditioning, Fountains, Misting Systems, Humidifiers, and Showers

Naturally occurring biological threats such as some bacteria and viruses can enter the cruise ship’s heating, ventilation, and air-conditioning system through the air intakes and be spread throughout the ship. These may be organisms causing tuberculosis, influenza, colds, Legionnaires’ disease, etc. Also molds, microbiological toxins, dust mites, fungi, and various pests’ droppings can cause allergic responses in hypersensitive people. Improper air filtration caused by poor installation, poor maintenance, lack of proper cleaning of the system, etc. can exacerbate the problem. (See endnote 36.)

Best Practices for Heating, Ventilation, Air Conditioning, Fountains, Misting Systems, Humidifiers,

and Showers

  • • Make readily available for inspection, maintenance, and cleaning, as well as self-draining all air handling unit condensate drain pans in collection systems.
  • • Only use potable water for cleaning the heating, ventilation, and air-conditioning systems as well as the fountains, misting systems, humidifiers, and showerheads.
  • • Develop and preserve the records of an inspection and maintenance plan based on the manufacturer’s recommendations and industry standards concerning the cleaning and maintenance of all of the above-named systems.
  • • Only use potable water and an automated treatment system for all types of water sprays, decorative fountains, humidifiers, and misting systems.
  • • Ensure that all nozzles are readily removable for cleaning and disinfection.
  • • Ensure that all pipes and reservoirs can be drained when any water systems are not being utilized. Clean and disinfect these pipes and reservoirs before putting back into operation.
  • • Provide shock treatment with either a chemical disinfectant or appropriate temperatures of hot water for an appropriate period of time if there is any potential contamination in any of the systems which come in contact with water.
  • • Ensure that the supervisor of heating, ventilation, and air-conditioning systems has complete knowledge of these systems and the other ones mentioned above and can demonstrate the knowledge in actual practice to the inspection team coming aboard the ship.
 
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